# NTSB CHI81FEM29: Cessna 172, N7920B, Mackinac Is, MI, July 9, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 9, 1981
- Place: Mackinac Is, MI · MACKINAC IS, MI
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report August 11, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124820
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FEM29
- Page: https://openairdocs.org/ntsb/CHI81FEM29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1327   81/7/9    MACKINAC IS,MI      CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 122
        TIME - 1300                    N7920B              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 11 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MACKINAC ISLAND
        DEPARTURE POINT             INTENDED DESTINATION
          BIG RAPIDS,MI               MACKINAC IS,MI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: RUNWAY OR APPROACH LIGHTS                 LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           80                                                      330
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- R MAIN WHL PANT & HORIZONTAL STABILIZER STRUCK RWY LGT.WND GSTG 20KTS.
```

## Aircraft

- Registration: [N7920B](https://openairdocs.org/aircraft/N7920B), registered now, S/N 29720, built 1957 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172](https://openairdocs.org/model/cessna-172) (registry code 2072402) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mackinac Island

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810709040839A](https://openairdocs.org/incident/19810709040839A), Jul 9, 1981: Cessna 172, Mackinac Island, MI, Substantial damage. Bounced landing, drifted sideways. Tail hit runway light on go-around.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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